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Optical bistability induced by nonlinear surface plasmon polaritons in graphene in terahertz regime

Journal Article


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Abstract


  • We demonstrate optical bistability in a prism-air-graphene-dielectric structure. Under a moderate electric field in the terahertz frequency regime, the third order nonlinear optical conductivity is comparable to the linear conductivity. The nonlinear conductivity enhances the energy of surface plasmon polaritons. Both the energy and frequency of the surface plasmon polaritons depend on the strength of the nonlinear current in the graphene layer. When considering excitation in the Kretschmann configuration, the reflectance as a function of frequency exhibits bistability. The origin of the bistability is the field dependence of the plasmon mode. We have determined the parameter regime for the occurrence of bistability in this structure.

Authors


  •   Sanderson, Matthew (external author)
  •   Ang, Yee Sin S. (external author)
  •   Gong, Sen (external author)
  •   Zhao, Tao (external author)
  •   Hu, Min (external author)
  •   Zhong, Renbin (external author)
  •   Chen, Xiaoxing (external author)
  •   Zhang, Ping (external author)
  •   Chao Zhang
  •   Liu, Shenggang (external author)

Publication Date


  • 2015

Citation


  • Sanderson, M., Ang, Y., Gong, S., Zhao, T., Hu, M., Zhong, R., Chen, X., Zhang, P., Zhang, C. & Liu, S. (2015). Optical bistability induced by nonlinear surface plasmon polaritons in graphene in terahertz regime. Applied Physics Letters, 107 (20), 203113-1-203113-4.

Scopus Eid


  • 2-s2.0-84948394236

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=5783&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/4756

Start Page


  • 203113-1

End Page


  • 203113-4

Volume


  • 107

Issue


  • 20

Abstract


  • We demonstrate optical bistability in a prism-air-graphene-dielectric structure. Under a moderate electric field in the terahertz frequency regime, the third order nonlinear optical conductivity is comparable to the linear conductivity. The nonlinear conductivity enhances the energy of surface plasmon polaritons. Both the energy and frequency of the surface plasmon polaritons depend on the strength of the nonlinear current in the graphene layer. When considering excitation in the Kretschmann configuration, the reflectance as a function of frequency exhibits bistability. The origin of the bistability is the field dependence of the plasmon mode. We have determined the parameter regime for the occurrence of bistability in this structure.

Authors


  •   Sanderson, Matthew (external author)
  •   Ang, Yee Sin S. (external author)
  •   Gong, Sen (external author)
  •   Zhao, Tao (external author)
  •   Hu, Min (external author)
  •   Zhong, Renbin (external author)
  •   Chen, Xiaoxing (external author)
  •   Zhang, Ping (external author)
  •   Chao Zhang
  •   Liu, Shenggang (external author)

Publication Date


  • 2015

Citation


  • Sanderson, M., Ang, Y., Gong, S., Zhao, T., Hu, M., Zhong, R., Chen, X., Zhang, P., Zhang, C. & Liu, S. (2015). Optical bistability induced by nonlinear surface plasmon polaritons in graphene in terahertz regime. Applied Physics Letters, 107 (20), 203113-1-203113-4.

Scopus Eid


  • 2-s2.0-84948394236

Ro Full-text Url


  • http://ro.uow.edu.au/cgi/viewcontent.cgi?article=5783&context=eispapers

Ro Metadata Url


  • http://ro.uow.edu.au/eispapers/4756

Start Page


  • 203113-1

End Page


  • 203113-4

Volume


  • 107

Issue


  • 20